Quick assembly structure for photovoltaic module and support purline
By using a magnesium-aluminum-zinc alloy coating and an anti-erosion coating to protect the purlins, combined with the inclined sliding surface design of the wedge-fitting sliding block and the wedge-tightening block, the photovoltaic modules can be installed quickly and reliably, and their corrosion resistance can be improved. This solves the problems of complex photovoltaic module installation and purlin corrosion resistance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-07
AI Technical Summary
The existing photovoltaic module installation process is complex and not quick enough, the connection is not reliable enough, it is difficult to effectively resist external impacts, and the purlins have insufficient corrosion resistance.
The purlins are protected by a magnesium-aluminum-zinc alloy coating and an anti-erosion coating. Combined with the inclined sliding surface design of the wedge-shaped sliding block and the wedge-tightening block, quick installation and reliable connection are achieved through the clamping nut.
It enables rapid and reliable installation of photovoltaic modules, effectively resists wind pressure impact, improves the corrosion resistance of purlins, and reduces installation and maintenance costs.
Smart Images

Figure CN224097672U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to solar photovoltaic power generation support especially a connecting structure capable of quickly installing photovoltaic module on support purlin. BACKGROUND
[0002] Photovoltaic support is the key equipment for supporting and fixing photovoltaic module, photovoltaic support not only ensures its stable installation, protects power generation module from damage, but also has corrosion resistance and high strength etc. Purlin is the important component for connecting photovoltaic module panel and support support structure, and through purlin, the weight and wind load of photovoltaic panel can be transmitted to support support body. Therefore, the connecting structure for connecting and installing photovoltaic module on purlin not only has enough reliability and stability to resist the action of instantaneous wind pressure, but also can realize quick and convenient field installation, makes the installation process become more simple and fast, and reduces installation and maintenance cost. SUMMARY
[0003] The utility model solves the technical problem to provide a photovoltaic module and support purlin quick -mounting structure, not only can make the installation of photovoltaic module become convenient and fast, and reliable, can effectively resist the action of external force.
[0004] In order to solve the above technical problem, the photovoltaic module and support purlin quick -mounting structure of the utility model, including module frame and the purlin for installing module frame, the surface of the purlin is plated with magnesium aluminum zinc alloy plating layer;The opposite two side edges of module frame are all provided with sliding clamping block, and the clamping strip on sliding clamping block is inserted in the corresponding clamping groove on module frame from opposite direction, and sliding clamping block is slidably arranged on purlin, and the wedge tight block is installed on the outer side of sliding clamping block through inclined sliding surface, and every wedge tight block is installed on purlin through corresponding hoop.
[0005] In the above structure, since the sliding clamping block and the wedge block are mutually wedged, and the sliding clamping block and the wedge block are mutually attached with inclined sliding surfaces, only the hoop nut needs to be screwed during on-site installation, so that the wedge block is forced to push the sliding clamping block and the clamping strip thereon with the inclined surface, the assembly is tightly pressed on the support purlin through the clamping strip on the sliding clamping block, the installation structure with symmetrical inclined sliding surfaces can be installed in place in a very short time, the installation process of the whole system is simple and fast, the installation can be quickly completed and put into use, the clamping structure with the wedge and the attachment can reliably bear a large load, can effectively resist the impact of instantaneous wind pressure on the photovoltaic assembly, and is convenient to install and maintain. Since the magnesium-aluminum-zinc alloy plating layer is plated on the surface of the purlin, the metal elements in the alloy plating layer synergistically act to reduce the consumption speed of the surface plating layer, the corrosion resistance of the plating layer is greatly improved, and the corrosion resistance of the plating surface of the purlin is effectively enhanced.
[0006] In the preferred embodiment of the utility model, the magnesium-aluminum-zinc alloy plating layer is coated with an anti-erosion coating. Since the magnesium-aluminum-zinc alloy plating layer is coated with an anti-erosion coating, a double protection of corrosion resistance and erosion resistance is formed, not only the corrosion resistance of the purlin is greatly improved, but also the purlin has good resistance to strong wind flow, wind sand and ultraviolet light. The anti-erosion coating also protects the corrosion-resistant layer, so that the purlin has particularly ideal corrosion resistance.
[0007] In the preferred embodiment of the utility model, the bottom side of the sliding clamping block is provided with a clamping block sliding groove which is slidably clamped on the purlin. The clamping strip on the sliding clamping block is wedged with the clamping groove of the assembly frame at an inclined surface. The wedge connection can be accurately and reliably achieved.
[0008] In the preferred embodiment of the utility model, the inclined surface on the sliding clamping block and the inclined surface of the wedge block are mutually attached to form an inclined sliding surface, and the inclination angle α of the inclined sliding surface is 10°-20°. The connection wedge force is stable and convenient for quick installation.
[0009] In the preferred embodiment of the utility model, the hoop is clamped on the purlin through the baffle, the hoop is in a U-shaped structure, both the two protruding ends of the hoop are penetrated through the baffle and are screwed with a clamping nut. The top surface of the wedge block is provided with a hoop groove for installing the hoop. The hoop can be reliably clamped on the support purlin. BRIEF DESCRIPTION OF DRAWINGS
[0010] The photovoltaic assembly and support purlin quick installation structure of the utility model will be further described in detail below in combination with the drawings and specific embodiments.
[0011] Figure 1 is a sectional structure diagram of a specific embodiment of the photovoltaic assembly and support purlin quick installation structure of the utility model;
[0012] Figure 2 isFigure 1 A-A cross-section;
[0013] Figure 3 yes Figure 1 purlin structure diagram;
[0014] Figure 4 yes Figure 3 B-B cross-section view;
[0015] Figure 5 yes Figure 4 Enlarged view of one embodiment of the central part;
[0016] Figure 6 yes Figure 4 Enlarged view of another implementation structure of Part I;
[0017] Figure 7 yes Figure 1 Cross-sectional structural diagram of the middle wedge block;
[0018] Figure 8 yes Figure 7 C-C cross-section;
[0019] Figure 9 yes Figure 1 Diagram of the sliding block structure;
[0020] Figure 10 yes Figure 9 The left view;
[0021] Figure 11 yes Figure 1 The main view of the component border;
[0022] Figure 12 yes Figure 11 D-D cross-section.
[0023] In the figure, 1—photovoltaic module, 2—module frame, 3—sliding block, 4—wedge block, 5—clamp, 6—baffle, 7—purlin, 8—magnesium-aluminum-zinc alloy coating, 9—anti-erosion coating, 10—clamp groove, 11—clamping strip, 12—clamping block groove, 13—clamping groove. Detailed Implementation
[0024] like Figure 1 , Figure 2 The photovoltaic module and bracket purlin quick-installation structure shown includes a module frame 2 on which the photovoltaic module 1 is mounted, and a purlin 7 for mounting the module frame 2. The purlin 7 is made of C-shaped steel, and the module frame 2 is mounted on the rib surface of the purlin 7.
[0025] The assembly frame 2 comprises two opposite side edges, and a sliding clamping block 3 is arranged outside each of the opposite side edges. The sliding clamping block 3 is provided with a clamping strip 11, and the clamping strips 11 on the sliding clamping blocks 3 located at the two side edges of the assembly frame 2 are clamped in the corresponding clamping grooves 13 on the same side assembly frame 2 from opposite directions. The bottom of the sliding clamping block 3 is provided with a clamping block sliding groove 12 in the form of a groove, and the sliding clamping block 3 can be clamped on the rib surface of the purlin 7 through the clamping block sliding groove 12. The outer side surface of the sliding clamping block 3 is an inclined surface, and the clamping strip 11 thereon is arranged opposite to the two side surfaces of the sliding clamping block 3.
[0026] The inner side surface of the wedge block 4 is also an inclined surface, which is matched with the outer inclined surface of the sliding clamping block 3 to form an inclined sliding surface. The wedge block 4 is fixedly installed on the purlin 7 through the corresponding hoop 5, and the hoop 5 has a U-shaped structure and is provided with threads at both ends. The two threaded ends of the hoop 5 are inserted through the baffle 6 and are screwed with a hoop nut, and the baffle 6 is transversely arranged at the notch position of the purlin 7. Rotating the hoop nut causes the hoop 5 to press the wedge block 4 towards the purlin 7, and the wedge block 4 pushes the sliding clamping block 3 towards the same side assembly frame 2 through the inclined sliding surface. The clamping strip 11 on the sliding clamping block 3 is inserted into the clamping groove 13 on the assembly frame 2, so that the assembly frame 2 is tightly fitted on the purlin 7. When maintenance is required, the hoop 5 can be loosened to remove the photovoltaic assembly 1 and the assembly frame 2 from the purlin.
[0027] As shown in Figure 3 , Figure 4 , the purlin 7 is a C-shaped steel, and as shown in Figure 5 , a magnesium-aluminum-zinc alloy plating layer 8 is plated on the surface of the C-shaped steel of the purlin 7. Figure 6 is another embodiment of the surface plating layer of the purlin 7. A magnesium-aluminum-zinc alloy plating layer 8 is plated on the surface of the C-shaped steel of the purlin 7, and an anti-erosion coating 9 is further coated on the magnesium-aluminum-zinc alloy plating layer 8. The anti-erosion coating 9 is coated with the anti-erosion and ultraviolet-resistant coating composition in the invention patent "Anti-erosion and ultraviolet-resistant photovoltaic support, coating composition and preparation method thereof" (Patent No. 202211742278.7) applied for and granted by the applicant on December 30, 2022.
[0028] As shown in Figure 7 , Figure 8 , a hoop groove 10 for clamping the hoop 5 is arranged on the top surface of the wedge block 4, and one side surface of the wedge block 4 is an inclined surface with an inclination angle α of 15°.
[0029] As shown in Figure 9 , Figure 10As shown in the figure, the bottom end surface of the sliding block 3 is provided with a block sliding groove 12 for slidingly clamping the purlin 7. One side surface of the sliding block 3 is an inclined surface, and the inclination angle of the inclined surface is also 15°. The inclination angle of the inclined surface of the wedge block 4 and the sliding block 3 is α, and preferably α = 10°-20°. The side edge opposite to the inclined surface of the sliding block 3 is provided with a clamping strip 11, and the lower side edge of the clamping strip 11 is an inclined edge.
[0030] As shown in the figure, Figure 11 , Figure 12 The assembly frame 2 is an aluminum C-shaped aluminum material, and the assembly frame 2 is provided with a clamping groove 13. The clamping groove 13 is matched with the shape of the clamping strip 11 on the sliding block 3, and the lower groove edge of the clamping groove 13 is also an inclined edge. The inclination of the clamping groove 13 is the same as the inclination angle of the inclined edge of the clamping strip 11 on the sliding block 3 and is in close contact.
[0031] The above describes some preferred embodiments of the present application, but the present application is not limited to the above embodiments. Many improvements and changes can be made without departing from the basic principles of the present application, and these improvements and changes all fall within the protection scope of the present application.
Claims
1. A quick-installation structure for photovoltaic modules and support purlins, comprising a module frame (2) and purlins (7) for mounting the module frame (2), characterized in that: The surface of the purlin (7) is coated with a magnesium-aluminum-zinc alloy coating (8); the two opposite sides of the component frame (2) are provided with sliding blocks (3), the snap-fit strips (11) on the sliding blocks (3) are snapped into the corresponding snap-fit grooves (13) on the component frame (2) from the opposite direction, the sliding blocks (3) are slidably set on the purlin (7), and the outer side of the sliding blocks (3) is equipped with wedges (4) through the inclined sliding surface, and each wedge (4) is installed on the purlin (7) through the corresponding clamp (5).
2. The quick-installation structure for photovoltaic modules and support purlins according to claim 1, characterized in that: The magnesium-aluminum-zinc alloy coating (8) is coated with an anti-erosion coating (9).
3. The quick-installation structure for photovoltaic modules and support purlins according to claim 1 or 2, characterized in that: The sliding block (3) has a block groove (12) on its bottom side, which can be slidably engaged with the purlin (7).
4. The quick-installation structure for photovoltaic modules and support purlins according to claim 1 or 2, characterized in that: The snap-fit strip (11) on the sliding block (3) and the snap-fit groove (13) of the component frame (2) are wedged together with an inclined surface.
5. The quick-installation structure for photovoltaic modules and support purlins according to claim 1 or 2, characterized in that: The inclined surface on the sliding block (3) and the inclined surface of the wedge block (4) fit together to form an inclined sliding surface, and the inclination angle α of the inclined sliding surface is 10°-20°.
6. The quick-installation structure for photovoltaic modules and support purlins according to claim 1 or 2, characterized in that: The clamp (5) is fastened to the purlin (7) by the baffle (6). The clamp (5) has a U-shaped structure, and its two protruding ends pass through the baffle (6) and are screwed with clamping nuts.
7. The quick-installation structure for photovoltaic modules and support purlins according to claim 1 or 2, characterized in that: The top surface of the wedge block (4) is provided with a clamp groove (10) for installing the clamp (5).
Citation Information
Patent Citations
A kind of erosion-resistant and UV-resistant photovoltaic bracket, coating composition and preparation method thereof
CN116200123B